======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'The Stranglers'
                                     'text_people'  ''
                                         'release'  'No More Heroes'
                                           'title'  'Dead Ringer'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'soundtrack', 'british', 'rock']"
                                     'discogstags'  "['rock', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '84.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'No More Heroes'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Dead Ringer'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stranglers'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'punk']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'soundtrack', 'british', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.588583'

========================== row from database ==========================
                                              'id'  1312477
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Stranglers - 1977 - No More Heroes/03 - Dead Ringer.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3990251
                                           'mtime'  1620607433
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 1977 03 electronic we new wave post punk
                                      'tag_artist'  The Stranglers
                                     'tag_release'  No More Heroes
                                       'tag_title'  Dead Ringer
                                             'bpm'  84.1
                                    'search_title'  'dead':1 'ringer':2
                                   'search_artist'  'stranglers':2 'the':1
                                  'search_release'  'heroes':3 'more':2 'no':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '1977':6 'disco':3 'electronic':7 'new':9 'post':11 'postpunk':5 'punk':12 'wave':10 'waves':2 'we':8
                                    'search_combo'  '00newwave':11 '00poprockelectronic':8 '1977':13 'dead':1A 'disco':10 'electronic':14 'heroes':7C 'more':6C 'new':16 'no':5C 'post':18 'postpunk':12 'punk':19 'ringer':2A 'stranglers':4B 'the':3B 'wave':17 'waves':9 'we':15
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'soundtrack', 'british', 'rock']
                                        'tag_date'  1977
                                     'discogstags'  ['rock', 'punk']

============================== file details ==============================
                                           'mtime'  1620607433.1044343  (2021-05-10 02:43:53)
                             'size'  3990251